1250866 has 8 divisors (see below), whose sum is σ = 1907244. Its totient is φ = 615120.

The previous prime is 1250863. The next prime is 1250867. The reversal of 1250866 is 6680521.

It can be written as a sum of positive squares in 2 ways, for example, as 942841 + 308025 = 971^2 + 555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1250863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005 + ... + 5248.

2^1250866 is an apocalyptic number.

1250866 is a deficient number, since it is larger than the sum of its proper divisors (656378).

1250866 is a wasteful number, since it uses less digits than its factorization.

1250866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10316.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1250866 is about 1118.4212086687. The cubic root of 1250866 is about 107.7466052982.

It can be divided in two parts, 12508 and 66, that multiplied together give a palindrome (825528).

The spelling of 1250866 in words is "one million, two hundred fifty thousand, eight hundred sixty-six".